<template>
  <div>
    <el-row style="height: 840px;">
      <search-bar @onSearch="searchResult" ref="searchBar"></search-bar>
      <el-tooltip effect="dark" placement="right"
                  v-for="item in books"
                  :key="item.id">
        <p slot="content" style="font-size: 14px;margin-bottom: 6px;">{{item.title}}</p>
        <p slot="content" style="font-size: 13px;margin-bottom: 6px">
          <span>{{item.author}}</span> /
          <span>{{item.date}}</span> /
          <span>{{item.press}}</span>
        </p>
        <p slot="content" style="width: 300px" class="abstract">{{item.abs}}</p>
        <el-card style="width: 135px;margin-bottom: 20px;height: 233px;float: left;margin-right: 15px" class="book" bodyStyle="padding:10px" shadow="hover">
          <div class="cover" @click="editBook(item)">
            <img :src="item.cover" alt="封面">
          </div>
          <div class="info">
            <div class="title">
              <a href="">{{item.title}}</a>
            </div>
            <i class="el-icon-delete" @click="deleteBook(item.id)"></i>
          </div>
          <div class="author">{{item.author}}</div>
        </el-card>
      </el-tooltip>
      <edit-form @onSubmit="loadBooks()" ref="edit"></edit-form>
    </el-row>
    <el-row>
      <el-pagination
        :current-page="page.pageNum"
        :page-size="page.pageSize"
        :page-sizes="[2, 5, 10, 17]"
        :page-count="page.pages"
        @current-change="changeCurrentPage"
        layout="sizes, prev, pager, next, jumper">
      </el-pagination>
    </el-row>
  </div>
</template>

<script>
  import EditForm from "./EditForm";
  import SearchBar from "./SearchBar";
  export default {
    name: "Books",
    components: {EditForm, SearchBar},
    data() {
      return {
        books: [],
        page: {
          pageNum: 1,
          pageSize: 2,
          pages: 0
        },
        sort: {
          categoryId: 0
        }
      }
    },
    mounted: function() {
      this.loadBooks()
    },
    methods: {
      loadBooks() {
        var _this = this
        this.$axios.get('/books', {
          params: {
            pageNum: _this.page.pageNum,
            pageSize: _this.page.pageSize
          }
        }).then(resp => {
          if (resp && resp.status === 200) {
            _this.books = resp.data.list
            _this.page.pages = resp.data.pages
          }
        })
      },
      searchResult() {
        var _this = this
        this.$axios
          .get('/books/search', {
            params: {
              pageNum: 1,
              pageSize: 17,
              keyword: this.$refs.searchBar.keywords
            }
          })
          .then(resp => {
            if (resp && resp.status === 200) {
              _this.books = resp.data.list
              _this.page.pageNum = resp.data.pageNum
              _this.page.pageSize = resp.data.pageSize
              _this.page.pages = resp.data.pages
            }
          })
      },
      editBook(item) {
        this.$refs.edit.dialogFormVisible = true
        this.$refs.edit.form = {
          id: item.id,
          cover: item.cover,
          title: item.title,
          author: item.author,
          date: item.date,
          press: item.press,
          abs: item.abs,
          cid: item.cid.toString()
        }
      },
      deleteBook (id) {
        this.$confirm('此操作将永久删除该书籍, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).then(() => {
            this.$axios
              .post('/delete', {id: id}).then(resp => {
              if (resp && resp.status === 200) {
                this.loadBooks()
              }
            })
          }
        ).catch(() => {
          this.$message({
            type: 'info',
            message: '已取消删除'
          })
        })
        // alert(id)
      },
      changeCurrentPage(val){
        this.page.pageNum = val;
        this.loadBooks();
      }
    }
  }
</script>

<style scoped>
  .cover {
    width: 115px;
    height: 172px;
    margin-bottom: 7px;
    overflow: hidden;
    cursor: pointer;
  }

  img {
    width: 115px;
    height: 172px;
    /*margin: 0 auto;*/
  }

  .title {
    font-size: 14px;
    text-align: left;
  }

  .author {
    color: #333;
    width: 102px;
    font-size: 13px;
    margin-bottom: 6px;
    text-align: left;
  }

  .abstract {
    display: block;
    line-height: 17px;
  }

  .el-icon-delete {
    cursor: pointer;
    float: right;
  }

  .switch {
    display: flex;
    position: absolute;
    left: 780px;
    top: 25px;
  }

  a {
    text-decoration: none;
  }

  a:link, a:visited, a:focus {
    color: #3377aa;
  }
</style>
